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AvCLUIRaster.cc
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AvCLUIRaster.cc
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//# Copyright (C) 1995-98 Board of Trustees of the University of Illinois
//#
//# This software, both binary and source, is copyrighted by The
//# Board of Trustees of the University of Illinois. Ownership
//# remains with the University. You should have received a copy
//# of a licensing agreement with this software. See the file
//# "AIPSVIEW_COPYRIGHT", or contact the University at this address:
//#
//# The NCSA AipsView Visualization System
//# National Center for Supercomputing Applications
//# University of Illinois
//# 405 North Mathews Ave.
//# Urbana, IL 61801
//# --------------------------------------------------
//
// $Header: /home/cvs/aips++/code/trial/apps/aipsview/Attic/AvCLUIRaster.cc,v 19.0 2003/07/16 05:46:39 aips2adm Exp $
//
// $Log: AvCLUIRaster.cc,v $
// Revision 19.0 2003/07/16 05:46:39 aips2adm
// exhale: Base release 19.000.00
//
// Revision 18.0 2002/06/07 21:28:25 aips2adm
// exhale: Base release 18.000.00
//
// Revision 17.0 2001/11/12 19:41:54 aips2adm
// exhale: Base release 17.000.00
//
// Revision 16.0 2001/05/03 01:42:04 aips2adm
// exhale: Base release 16.000.00
//
// Revision 15.0 2000/10/26 17:08:21 aips2adm
// exhale: Base release 15.000.00
//
// Revision 14.0 2000/03/23 16:07:41 aips2adm
// exhale: Base release 14.000.00
//
// Revision 13.0 1999/08/10 18:39:23 aips2adm
// exhale: Base release 13.000.00
//
// Revision 12.0 1999/07/15 00:21:36 aips2adm
// exhale: Base release 12.000.00
//
// Revision 11.0 1998/10/03 06:58:14 aips2adm
// exhale: Base release 11.000.00
//
// Revision 10.0 1998/07/20 17:51:49 aips2adm
// exhale: Base release 10.000.00
//
// Revision 9.2 1998/06/16 16:20:19 hr
// Fixed a couple of enum comparision warnings.
//
// Revision 9.1 1998/06/09 17:17:42 hr
// Removed extra semicolons from the "DECLARE_xxx" macros.
//
// Revision 9.0 1997/08/25 21:24:27 aips2adm
// exhale: Base release 09.000.00
//
// Revision 8.2 1997/06/16 21:36:14 hr
// Changes to support displaying m/s as km/s, etc.
//
// Revision 8.1 1997/05/20 19:32:49 hr
// In getRegion(), need to only set Z axis if rank > 2.
//
// Revision 8.0 1997/02/20 03:14:51 aips2adm
// exhale: Base release 08.000.00
//
// Revision 7.4 1996/12/12 09:59:44 droberts
// Final update from monet archive.
//
// Revision 1.7 1996/11/12 20:12:24 hr
// Added new getRegion() call and removed unneeded {begin,end}Access() calls.
//
// Revision 1.6 1996/11/07 17:13:54 hr
// Changed getRow() to call accessor's getRow routine.
//
// Revision 1.5 1996/10/01 21:55:53 hr
// Calls to accessor()->setPlane() use DS slice values.
//
// Revision 1.4 1996/09/20 20:59:48 pixton
// name changes from IPosition/WPosition to AvIPosition/AvWPosition
//
// Revision 1.3 1996/09/20 18:36:22 hr
// Changes to work with accessor including rewrite of axisinfo.
//
// Revision 1.2 1996/09/10 16:49:19 hr
// Initial changes for integration with AvAccessor & AvDataSet.
//
// Revision 1.1 1996/07/11 21:31:21 pixton
// Automated Checkin
//
// Revision 1.11 1996/06/18 18:45:48 pixton
// Copyright Update
//
// Revision 1.10 1996/04/11 16:17:43 hr
// Modified beginAccess() to ensure that the slice data will be coming from
// is the correct slice.
//
// Revision 1.9 1996/02/08 18:27:05 hr
// Changed the way titles are generated. initAxisInfo now knows about "FREQ".
//
// Revision 1.8 1996/02/02 20:53:53 hr
// Added minimum field width for a sprintf.
// If axis label is "VELO" rather than having the formatter scale by 0.001,
// the min & max are now scaled.
//
// Revision 1.7 1996/02/01 18:08:49 hr
// Removed an unused function.
//
// Revision 1.6 1996/01/30 23:01:52 hr
// Renamed image_ to imageSetter_.
// Removed some turned off code.
// Changed how axis info is initialized.
//
// Revision 1.5 1995/09/20 20:03:06 baker
// Release Beta 1.0
//
// Revision 1.5 1995/09/20 01:56:34 baker
// Release Beta 1.0
//
// Revision 1.4 1995/04/25 16:45:15 hr
// Added array to hold pointers to the start of each row.
//
// Revision 1.3 1995/04/24 21:54:04 hr
// Added getRow function.
//
// Revision 1.2 1995/04/24 18:39:12 hr
// Moved index generation to CLUIRaster from CLUImageSetter to support
// raster's beginAccess and endAccess.
//
// Revision 1.1 1995/04/14 16:29:08 hr
// Initial revision
//
//
//---------------------------------------------------------------------------
/* AvCLUIRaster.C
A 2D Raster that gets its data from the AvCLUImageSetter that created it.
*/
#include <stdio.h>
#include <string.h>
#include <math.h>
#include "AvCLUIRaster.h"
#include "AvCLUImageSetter.h"
#include "AvImageViewItem.h"
DEFINE_MEMBER_INFO(AvCLUIRaster)
AvCLUIRaster::AvCLUIRaster(AvCLUImageSetter *img, const int sliceIndex)
{
INIT_CLASS(AvRaster);
imageSetter_ = img;
sliceIndex_ = sliceIndex;
accessor_ = new AvAccessor( *img->accessor());
accessor_->ref();
accessor_->lockResource();
accessor_->setPlane(sliceIndex, FALSE);
AvCLUIRaster::axisInfo *inf = new AvCLUIRaster::axisInfo(accessor_);
setAxisInfo(inf);
AvImageViewItem *ivi = img->imageViewItem();
// The name of the raster contains slice information.
{char namebuf[512];
if((accessor_->rank() > 2) && (inf->title() != NULL))
{ AvIPosition ijk = accessor_->dataset()->start();
AvWPosition wpos;
ijk(2) = sliceIndex;
accessor_->XYZToWorld(ijk, wpos);
sprintf(namebuf, "%s:%s:%s", ivi->label(),
inf->title(),
accessor_->axisValueUnits(2,wpos(2)).chars());
}
else
sprintf(namebuf, "%s", ivi->label());
name(namebuf);
}
}
unsigned int AvCLUIRaster::width()const
{
return accessor_->width();
}
unsigned int AvCLUIRaster::height()const
{
return accessor_->height();
}
float AvCLUIRaster::min()const
{
return accessor_->clipMin();
}
float AvCLUIRaster::max()const
{ return accessor_->clipMax();
}
float AvCLUIRaster::getElement(const int x, const int y)
{
return accessor_->getDatum(x, y);
}
#if 0
void AvCLUIRaster::getRow(float *row, const int X, const int Y,
const int Num, const int Incr)
{
int x=X, y=Y, num=Num, incr=Incr;
int x1, w = width();
if( (x < 0) || ( x >= w))
return;
if( (y < 0) || ( y >= height()))
return;
if(incr == 0)
incr = 1;
if(num <= 0)
num = w;
x1 = x + incr*(num-1); // endpoint.
if(incr > 0) // Left to right.
{ if(x1 >= w) // End point is > start point.
x1 = w -1;
while(x <= x1)
{ *row++ = getElement(x, y);
x += incr;
}
}
else // Right to left.
{ if( x1 < 0) // End point is < start point.
x1 = 0;
while(x >= x1)
{ *row++ = getElement(x, y);
x += incr;
}
}
}
#else
/* Return a row of data from the given position. If Length is 0, return
as much of the row as will fit.
*/
void AvCLUIRaster::getRow(float *row, const int x, const int y,
const int Length, const int stride)
{ int length = (Length <= 0) ? width()-x : Length;
accessor_->getRow(row, x, y, length, stride);
}
#endif
//
void AvCLUIRaster::getRegion(float *data, const int x, const int y,
const unsigned int width,
const unsigned int nrows,
const int xstride, const int ystride)
{int rank = accessor_->rank();
AvIPosition start(rank, 0);
start(AvAccessor::XAXIS) = x;
start(AvAccessor::YAXIS) = y;
if(rank > 2)
start(AvAccessor::ZAXIS) = accessor_->getPlane();
AvIPosition shape(rank, 1);
shape(AvAccessor::XAXIS) = width;
shape(AvAccessor::YAXIS) = nrows;
AvIPosition stride(rank, 1);
stride(AvAccessor::XAXIS) = xstride;
stride(AvAccessor::YAXIS) = ystride;
accessor_->getSlice(data, start, shape, stride);
}
// Change the slice index for the region.
// newSliceIndex is in DS
void AvCLUIRaster::setSlice(const int newSliceIndex)
{
accessor_->setPlane(newSliceIndex, FALSE);
}
AvCLUIRaster::~AvCLUIRaster()
{
accessor_->unlockResource();
accessor_->unref();
}
void AvCLUIRaster::getBoundingBox(AvCanvas &c, AvAllotment &r)
{
r.value(AvDimensionX, width());
r.value(AvDimensionY, height());
AvRaster::getBoundingBox(c, r);
}
///////////////////////////////////////////////////////////////////////////
AvCLUIRaster::axisInfo::axisInfo(AvAccessor *acc)
{
accessor_ = acc;
AvResource::Ref(accessor_);
AvString abbrev;
for(int i=0; i< 2 ; i++)
setUnits(i, units_[i], abbrev);
}
AvCLUIRaster::axisInfo::~axisInfo()
{
AvResource::UnRef(accessor_);
accessor_ = NULL;
}
#define ABS(x) (((x)>=0)?(x):-(x))
// Initialize the units_ var.
void AvCLUIRaster::axisInfo::setUnits(const int axis, AvString &units,
AvString &abbrev)
{ AvRaster::axisInfo::PRINTFORMAT apfmt = printFormat(axis);
AvWPosition minWorld = accessor()->minWorld();
AvWPosition maxWorld = accessor()->maxWorld();
double minW = minWorld(axis);
double maxW = maxWorld(axis);
// if (apfmt == AvDataSet::HMS)
if (apfmt == AvRaster::axisInfo::HMS)
{ // PGPlot decides how to print HMS
}
// else if (apfmt == AvDataSet::DMS)
else if (apfmt == AvRaster::axisInfo::DMS)
{ // PGPlot decides how to print DMS
}
else
{ // Otherwise, pick representative value on axis, get the units
// that form the best fit, and use those for tick boundaries
double min = ABS(minW);
double max = ABS(maxW);
double representativeValue = MAX(min, max);
units = accessor()->axisUnits( axis,
representativeValue,
abbrev);
}
}
const char *AvCLUIRaster::axisInfo::label(const int axis)const
{
return accessor_->axisName(axis);
}
const char *AvCLUIRaster::axisInfo::unitString(const int axis)const
{
return accessor_->axisUnitsName(axis);
}
// Return the print format for the axis.
AvRaster::axisInfo::PRINTFORMAT
AvCLUIRaster::axisInfo::printFormat(const int axis)const
{ AvDataSet::AXISPRINTFORMAT fmt = accessor_->axisPrintFormat(axis);
AvString units = accessor_->axisUnitsName(axis);
// Convert from AvDataSet::PRINTFORMAT to AvRaster::PRINTFORMAT.
// They are really the same, but it could be possible they'd diverge.
switch(fmt)
{
case AvDataSet::DEFAULT:
return AvRaster::axisInfo::DEFAULT;
case AvDataSet::HMS:
if (units == "degrees")
return AvRaster::axisInfo::HMS;
else if (units == "radians")
return AvRaster::axisInfo::HMS_RAD;
else
return AvRaster::axisInfo::UNKNOWN;
case AvDataSet::DMS:
if (units == "degrees")
return AvRaster::axisInfo::DMS;
else if (units == "radians")
return AvRaster::axisInfo::DMS_RAD;
else
return AvRaster::axisInfo::UNKNOWN;
default:
return AvRaster::axisInfo::UNKNOWN;
}
}
int AvCLUIRaster::axisInfo::length(const int axis)const
{
return accessor_->getAxisLength(axis);
}
Boolean AvCLUIRaster::axisInfo::validIndex(const int axis, const int i)const
{
return ((i >= 0) && ( i < accessor_->getAxisLength(axis)))
? TRUE : FALSE;
}
double AvCLUIRaster::axisInfo::XYtoWorld(const int axis,
const int x, const int y) const
{double val;
accessor_->XYZToWorld(x, y, axis, val);
return val;
}
// Convert to/from scaled value
double AvCLUIRaster::axisInfo::minValue(const int axis)const
{AvWPosition minW = accessor()->minWorld();
double min = minW(axis);
double smin = accessor()->valueInUnits(axis,
min,
units_[axis].chars());
#if 0
cout << "Axis " << axis << " Min " << min << " scaled min " << smin
<< " units " << units_[axis] << endl;
#endif
return smin;
}
double AvCLUIRaster::axisInfo::maxValue(const int axis)const
{AvWPosition maxW = accessor()->maxWorld();
double max = maxW(axis);
double smax = accessor()->valueInUnits(axis,
max,
units_[axis].chars());
#if 0
cout << " Axis " << axis << " Max " << max << " scaled max " << smax
<< " units " << units_[axis] << endl;
#endif
return smax;
}
// Return pointer to a buffer containing a string representing the
// value of the axis at the given position.
const char *AvCLUIRaster::axisInfo::valueStr(const int axis, const double val)
const
{
return accessor_->axisValueUnits(axis, val).chars();
}
const char *AvCLUIRaster::axisInfo::title()const
{
if(accessor_->validAxis(ZAXIS))
return accessor_->axisName(ZAXIS);
else
return NULL;
}